Images of the Map Legend Rock Units

This page lets you look at pictures of rocks that correspond to the rock units listed in the map legend and which appear on the geologic map. This way, if you read about a particular rock type in the map legend, you can visit this page to get an idea of what that rock type would look like if you ran across it outside. Use the back button to return to this page from each image.

CENOZOIC UNITS:

Qy (young alluvium) distance---close-up

Q (surficial deposits) distance---close-up

Qo (older surficial deposits) distance---close-up

QTb (basaltic rocks) distance---close-up

QTv (volcanic rocks) distance---close-up

Tsy (sedimentary rocks) distance---close-up

Tby (basaltic rocks) distance---close-up

Tvy (volcanic rocks) distance---close-up

Tb (basaltic rocks) distance---close-up

Tsm (sedimentary rocks) distance---close-up

Tv (volcanic rocks) distance---close-up

Tsv (volcanic and sedimentary rocks) distance---close-up

Ti (subvolcanic intusive rocks) distance---close-up

Tg (granitoid rocks) distance---close-up

Tso (sedimentary rocks) distance---close-up

TKgm (granitic rocks) distance---close-up

TKg (granitoid rocks) distance---close-up

MESOZOIC UNITS:

Kv (volcanic rocks) distance---close-up

Kmv (Mesaverde Group) distance---close-up

Ks (sedimentary rocks) distance---close-up

KJs (sedimentary rocks) distance---close-up

Jm (Morrison Formation) distance----close-up

Js (San Rafael Group) distance----close-up

Jgc (Glen Canyon Group) distance----close-up

Jg (granitoid rocks) distance---close-up

Jsv (sedimentary and volcanic rocks) distance---close-up

Jv (volcanic rocks) distance---close-up

JTr (sedimentary and volcanic rocks) distance---close-up

Trc (Chinle Formation) distance---close-up

Trm (Moenkopi Formation) distance---close-up

Mzo (Orocopia Schist) distance---close-up

MzPz (Mesozoic and Paleozoic rocks) distance---close-up

PALEOZOIC UNITS:

Pz (Paleozoic undifferentiated rocks) distance---close-up

P (sedimentary rocks) distance---close-up

PP (sedimentary rocks) distance---close-up

MC (sedimentary rocks) distance---close-up

PROTEROZOIC UNITS:

Ys (sedimentary rocks) distance---close-up

Yd (diabase) distance---close-up

Yg (granitoid rocks) distance---close-up

YXg (granitoid rocks) distance---close-up

Xg (granitoid rocks) distance---close-up

Xq (quartzite) distance---close-up

Xm (metamorphic rocks) distance---close-up

Xms (metasedimentary rocks) distance---close-up

Xmv (metavolcanic rocks) distance---close-up

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